Quartus Prime Pro 19.2 quits unexpected with following error report. Does anybody know, what's the problem in this case?

Problem Details Error: Internal Error: Sub-system: CDB_SGATE, File: /quartus/db/cdb_sgate/cdb_sgate_component.cpp, Line: 926 Port direction does not agree. Stack Trace: 0x5f4ac: CDB_SGATE_COM...